Finding the Fourth Proportional to 108,469,196.64, 149,711,325.30 and 71,302,910.40

Step by Step Solution

1. Step 1: Write the proportion equation
   108,469,196.64 : 149,711,325.30 = 71,302,910.40 : x
2. Step 2: Convert to fraction form
   108,469,196.64/149,711,325.30 = 71,302,910.40/x
3. Step 3: Cross multiply
   108,469,196.64x = 149,711,325.30 × 71,302,910.40
4. Step 4: Simplify right side
   108,469,196.64x = 10,674,853,213,731,154
5. Step 5: Solve for x
   x = 10,674,853,213,731,154/108,469,196.64
6. Step 6: Final answer
   x = 98,413,683.74